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When I want to create a PDF file from within AdobePageMaker 6.5 I get this error, see attachement. What to do? What means Run converter to create PDF file???

I have installed the free cutePDF but it does not work with Adobe PageMaker 6.5. Therefore I want to try BullzipPDFPrinter. I have downloaded BullzipPDFPrinter_6_0_0_766 and the ghostscripts gslite, but I am in doubt if I need to install the gslite (ghostscripts), as I think it is already installed ...